Toyota Sienna Service Manual: Position Sensor Circuit
DESCRIPTION
When SET and 1 or 2 are pressed, the position sensor detects the mirror position and sends the signal to the outer mirror control ECU. Then when position 1 or 2 is pressed, the outer mirror control ECU drives the mirror motor based on the memorized sensor positions.
HINT: The power mirror control system is part of the multiplex communication system. This system features shared communication wiring that reduces the wiring complexity of the communication lines. The first step in any repair is to confirm the proper operation of the communication system. Proceed with troubleshooting after the communication has been verified (See Multiplex Communication System)
WIRING DIAGRAM
INSPECTION PROCEDURE
1 READ VALUE OF INTELLIGENT TESTER
- Connect the intelligent tester to the DLC3.
- Ignition switch on.
- Enter the following menus: DIAGNOSIS / ENHANCED OBD II / DATA LIST.
- Read the DATA LIST according to the display on the tester.
MIRROR-L/MIRROR-R
OK: Tester displayed is 0 V to 5 V.
2 CHECK HARNESS AND CONNECTOR (OUTER REAR VIEW MIRROR - OUTER MIRROR CONTROL ECU)
- Disconnect the O10 or O12 ECU connector.
- Disconnect the O13 or O14 outer mirror connector.
- Measure the resistance according to the value(s) in the table below.
Resistance
*1: LH side
*2: RH side
REPLACE OUTER MIRROR CONTROL ECU
Mirror Motor Circuit
DESCRIPTION
A mirror control switch signal and memorized mirror positions are sent to the
outer mirror control ECU.
The outer mirror control ECU drives the selected mirror UP, DOWN, LEFT and RIG ...
Memory Switch Circuit
DESCRIPTION
When the seat memory switch M1 or M2 is pressed, the position control ECU &
switch (Seat ECU)
transmits a signal of the memorized mirror position to the outer mirror control
ECU. ...
Other materials:
Removal
NOTICE:
When installing, coat the parts indicated by the arrows
with power steering fluid or molybdenum disulfide
lithium base grease (See page PS-21).
1. INSPECT CENTER FRONT WHEEL
2. REMOVE FRONT WHEEL
3. SEPARATE TIE ROD ASSEMBLY LH
SST 09628-62011
4. SEPARATE TIE ROD ASSEMBLY RH
SST 096 ...
Back Door ECU Communication Stop
DTC B1287 Back Door ECU Communication Stop
DESCRIPTION
DTC B1287 is output when communication between the power back door ECU and
the multiplex network
gateway ECU stops for more than 10 seconds.
DTC No.
DTC Detection Condition
Trouble Area
B1287
Back d ...
Diagnosis system
1. CHECK DLC3
The vehicle's ECU uses ISO 15765-4 for
communication protocol. The terminal arrangement
of the DLC3 complies with SAE J1962 and matches
the ISO 15765-4 format
NOTICE:
*: Before measuring the resistance, leave the
vehicle as is for at least 1 minute and do not
oper ...
